nixos: add system-wide enabling of monitoring

Flake lock file updates:

• Updated input 'my-nixpkgs':
    'github:qaristote/my-nixpkgs/f2e0f4c86f3318cc6df018b1948dd5bade77f082' (2025-03-22)
  → 'github:qaristote/my-nixpkgs/6eba1a7a9d94245923324ed9b0c6f3a7eee5b569' (2025-03-24)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/7105ae3957700a9646cc4b766f5815b23ed0c682' (2025-03-20)
  → 'github:NixOS/nixpkgs/f0946fa5f1fb876a9dc2e1850d9d3a4e3f914092' (2025-03-23)

1 files changed, 2 insertions, 0 deletions

diff --git a/config/system.nix b/config/system.nix
index 870ca71..b1f0b61 100644
--- a/config/system.nix
+++ b/config/system.nix
@@ -7,4 +7,6 @@
     dates = "12:30";
     allowReboot = true;
   };
+
+  personal.monitoring.enable = true;
 }